diff --git a/jtt808-server/src/main/java/io/github/yezhihao/netmc/websocket/WsChannelInboundHandler.java b/jtt808-server/src/main/java/io/github/yezhihao/netmc/websocket/WsChannelInboundHandler.java
index f8b5d53..0035209 100644
--- a/jtt808-server/src/main/java/io/github/yezhihao/netmc/websocket/WsChannelInboundHandler.java
+++ b/jtt808-server/src/main/java/io/github/yezhihao/netmc/websocket/WsChannelInboundHandler.java
@@ -7,6 +7,7 @@ import io.netty.channel.group.ChannelGroup;
 import io.netty.channel.group.DefaultChannelGroup;
 import io.netty.handler.codec.http.websocketx.TextWebSocketFrame;
 import io.netty.util.concurrent.GlobalEventExecutor;
+import io.netty.util.internal.StringUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.yzh.commons.constant.BusinessConstant;
@@ -14,6 +15,7 @@ import org.yzh.commons.util.BusinessCacheUtil;
 import org.yzh.web.util.SendCommandUtil;
 
 import java.time.LocalDateTime;
+import java.time.LocalTime;
 
 /**
  * 处理消息的handler
@@ -37,6 +39,12 @@ public class WsChannelInboundHandler extends SimpleChannelInboundHandler<TextWeb
         // 获取客户端传输过来的消息
         String content = msg.text();
 
+        // 每分钟的0s, 打印当前推流通道
+        LocalTime localTime = LocalTime.now();
+        if (localTime.getSecond() == 0) {
+            log.info(BusinessConstant.LOGGER_PREFIX + " : jt1078推送信息 : content = {}", content);
+        }
+
         if (content.contains("-")) {
             // 由于1078传过来的信息为(0+clientId+'-'+channelNo), 故此处需要解析
             // 接收jt1078通过websocket传输的数据
@@ -55,7 +63,17 @@ public class WsChannelInboundHandler extends SimpleChannelInboundHandler<TextWeb
                     SendCommandUtil.getService().noticeCarStatus(clientId, Integer.parseInt(channelNo), BusinessConstant.LIVE_STATUS_ONLINE);
                 }
             }
+        } else {
+            // 若接收到1078推送的当前推流设备为空, 更新808的缓存
+            String curPush = BusinessCacheUtil.getCurrentPushDevice();
+            if (!StringUtil.isNullOrEmpty(curPush)) {
+                if (SendCommandUtil.getService() != null) {
+                    log.info(BusinessConstant.LOGGER_PREFIX + " : websocket接收 : 更新为1078正在推流设备 = {} - {} ", curPush, "null");
+                    SendCommandUtil.getService().noticeCarStatus(null, BusinessConstant.DEFAULT_CHANNEL_NO, BusinessConstant.LIVE_STATUS_OFFLINE);
+                }
+            }
         }
+
         currentChannel.writeAndFlush(new TextWebSocketFrame("服务器时间" + LocalDateTime.now() + " : " + content));
     }
 
@@ -68,7 +86,7 @@ public class WsChannelInboundHandler extends SimpleChannelInboundHandler<TextWeb
     public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
         users.add(ctx.channel());
         log.info("netty 获得连接.....	");
-        log.info(BusinessConstant.LOGGER_PREFIX + " : websocket连接 : 客户端上线 : channelId = {} ",  ctx.channel().id().asShortText());
+        log.info(BusinessConstant.LOGGER_PREFIX + " : websocket连接 : 客户端上线 : channelId = {} ", ctx.channel().id().asShortText());
 
         ctx.channel().writeAndFlush(new TextWebSocketFrame("服务器时间" + LocalDateTime.now() + " qw12312"));
 
diff --git a/jtt808-server/src/main/java/org/yzh/web/endpoint/JT808Endpoint.java b/jtt808-server/src/main/java/org/yzh/web/endpoint/JT808Endpoint.java
index a781fc5..22af6ba 100644
--- a/jtt808-server/src/main/java/org/yzh/web/endpoint/JT808Endpoint.java
+++ b/jtt808-server/src/main/java/org/yzh/web/endpoint/JT808Endpoint.java
@@ -5,6 +5,7 @@ import io.github.yezhihao.netmc.core.annotation.AsyncBatch;
 import io.github.yezhihao.netmc.core.annotation.Endpoint;
 import io.github.yezhihao.netmc.core.annotation.Mapping;
 import io.github.yezhihao.netmc.session.Session;
+import io.netty.util.internal.StringUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -75,7 +76,7 @@ public class JT808Endpoint {
 
         // 若无正在推流的设备, 调用推流方法
         SendCommandUtil.setService(sendCommandService);
-        if (BusinessCacheUtil.getCurrentPushDevice() == null || BusinessCacheUtil.getCurrentPushDevice() == message.getClientId()) {
+        if (StringUtil.isNullOrEmpty(BusinessCacheUtil.getCurrentPushDevice()) || BusinessCacheUtil.getCurrentPushDevice().equals(message.getClientId())) {
             log.info(BusinessConstant.LOGGER_PREFIX + " : 终端鉴权触发 - 发送推流命令 : 当前指定推流设备 = {} -> 将要推流设备 = {} ", BusinessCacheUtil.getCurrentPushDevice(), message.getClientId());
             sendCommandService.sendToDevice(message.getClientId(), null);
         } else {
@@ -103,7 +104,7 @@ public class JT808Endpoint {
 
         // 若无正在推流的设备, 调用推流方法
         SendCommandUtil.setService(sendCommandService);
-        if (BusinessCacheUtil.getCurrentPushDevice() == null || BusinessCacheUtil.getCurrentPushDevice() == message.getClientId()) {
+        if (StringUtil.isNullOrEmpty(BusinessCacheUtil.getCurrentPushDevice()) || BusinessCacheUtil.getCurrentPushDevice().equals(message.getClientId())) {
             log.info(BusinessConstant.LOGGER_PREFIX + " : 终端鉴权触发 - 发送推流命令 : 当前指定推流设备 = {} -> 将要推流设备 = {} ", BusinessCacheUtil.getCurrentPushDevice(), message.getClientId());
             sendCommandService.sendToDevice(message.getClientId(), null);
         } else {